1996 honda accord rough idle and dies It will stay running if i keep on the gas but dies if i let off, codes read that it has cyl 3 misfire and tps was going off but i replaced everything the computer told. I replaced distributor cap and rotor egr valve air filter spark plugs x2, spark plug wires, now the car will stay running if i take off the pcv valve hose but thats the only way it will stay running and its almost normal

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18 Aug, 2017

  • 73%
    Solved this issue
  • 113min
    Time to fix
  • 65%
    Recommend to DIY
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Here are the most common causes of idle surge, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake

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